Enter a host and ports to scan.
Check if common web ports (80, 443, 8080) are open on any domain.
Port Scanner checks which ports are open on a host for network diagnostics. See also: dns-lookup or ssl-certificate-checker.
To use Port Scanner, first enter the target host or domain. Then, specify which ports to check (or use the defaults). After that, click "Scan Ports" and wait for results. The result appears instantly in your browser.
Port Scanner checks which ports are open on a host for network diagnostics. It runs entirely in your browser, with no sign-up and no file uploads.
First, enter the target host or domain. Then, specify which ports to check (or use the defaults). Click "Scan Ports" and wait for results.
Yes - Port Scanner is completely free and requires no account. Everything runs locally in your browser, so your lookups and generated credentials never leave your device.